I bet it took more than a few minutes to chew thru them with a dremmel cut off disc.:msp_tongue:
Rollers and balls in bearings are usually in the low 60's Rockwell 'C' scale.
From what I have observed, the bearing surfaces on saw crankshafts have been induction hardened. I.E. selected areas and not the whole thing.
Wasn't bad cutting the rollers. I was a little worried about overheating and bluing the bearing, but that didn't happen.
Chris B.